Drums

From: John Allain <John.Allain_at_donnelley.infousa.com>
Date: Tue Apr 18 10:11:59 2000

> I think I heard somewhere that magnetic drums are somewhat
> like core memory, i.e. they retain their contents when shut
> off...


Drums are probably more analagous to the modern HDD
given that it is record by moving head on magnetic
media. That or a single grotesquely magnified loop
of magnetic tape.
                      --all based on academic study

Of course both the MT and HDD are persistent.
Perhaps there are even ex-drum repairmen on the list?
Received on Tue Apr 18 2000 - 10:11:59 BST